Rearview monitoring apparatus for vehicle
a technology for rearview monitoring and vehicle, which is applied in the direction of static indicating devices, television systems, instruments, etc., can solve the problems of inability to understand the positioning relationship between the obstacles around the vehicle and the spare tire, the inability to open the tailgate of the vehicle, and the inability to acknowledge the positioning relationship sufficiently
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first example
[0064]First, a case is explained in which the rearview monitoring apparatus for a vehicle displays a superposed image of a vehicle's protruding region which protrudes in a rear direction over a rear reference position of the vehicle in a corresponding position of the vehicle's protruding region in the rearview image as a vehicle index which is indicated by lines according to a first example of the present invention.
[0065]FIG. 2 is a flow chart for showing a movement of the rearview monitoring apparatus 1 for a vehicle for displaying a rearview image in a monitoring device 4. First, a controlling unit 3 in the rearview monitoring apparatus 1 for vehicle determines whether or not the engine has started by the ignition signal and the vehicle 21 can be driven (Step S1).
[0066]In Step S1, when an engine has not started and a vehicle is not ready to be driven (NO in Step 1), a superposed image displaying device 7 in a control section 3 erases an image which is displayed on a monitoring dev...
second example
[0078]Next, as a second example, a case in which the rearview monitoring apparatus for a vehicle displays a superposed image of the vehicle's protruding region which protrudes in a rear direction over the rear reference position of the vehicle as a vehicle index which is indicated by a picture such as a projected shadow on the road surface in a position corresponding to the vehicle's protruding region in the rearview image is explained.
[0079]Here, in this example, an operation of the rearview monitoring apparatus 1 for a vehicle for displaying the rearview image in the monitoring device 4 is the same as the case of the first example of the present invention. Also, the vehicle's protruding region is explained with reference to a spare tire 23 which is attached to the rear end of the vehicle 21.
[0080]FIG. 5 is a view for showing an example of displayed rearview image according to the second example of the present invention. In FIG. 5, a distance index 52 which indicates 1 m of distanc...
third example
[0091]A third example of the present invention is explained with reference to a case in which the rearview monitoring apparatus for a vehicle displays a superposed image of the rear door as a vehicle index indicated by a line which is opened in a rear direction over the rear reference position of the vehicle in a position corresponding to the opened rear door in the rearview image.
[0092]Steps 1 through 5 in a flow chart shown in FIG. 8 show the operation of the rearview monitoring apparatus 1 for a vehicle for displaying the rearview image in the monitoring device 4 are the same as the first example; thus the explanation thereof is omitted.
[0093]The superposed image displaying device 7 acquires a vehicle index which indicates a tailgate 123 from the vehicle index database 6 (Step S16).
[0094]After that, the superposed image displaying device 7 superposes the vehicle index which indicates a tailgate 123 in the rearview image (Step S17), and displays the superposed image in the monitor...
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